Climbing trees

The Secret State Archives Prussian Cultural Heritage Foundation (German: Geheimes Staatsarchiv Preußischer Kulturbesitz or GStA PK) is an agency of the Prussian Cultural Heritage Foundation headquartered in Berlin, Germany. A Federal statutory body, it is one of the largest repositories of primary source documents in Germany and spans the history of Prussia, Brandenburg, the House of Hohenzollern and the Prussian Army.

The Dahlem Manor (German: Domäne Dahlem) is an open-air museum for agriculture and food culture in southwestern Berlin. It is the historical manor of the former village of Dahlem. The manor has been in service for over 800 years.

The Institute for Museum Research (German: Institut für Museumsforschung (IfM)) is a national organization which provides services to museums in the Federal Republic of Germany in the areas of research, application-oriented teaching and documentation. The Institute was founded in 1979 as a department of the Berlin State Museums, overseen by the Prussian Cultural Heritage Foundation.